crypto/openssl/crypto/evp/evp.h

   1 /* crypto/evp/evp.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_ENVELOPE_H
  60 #define HEADER_ENVELOPE_H
  61
  62 #ifdef OPENSSL_ALGORITHM_DEFINES
  63 # include <openssl/opensslconf.h>
  64 #else
  65 # define OPENSSL_ALGORITHM_DEFINES
  66 # include <openssl/opensslconf.h>
  67 # undef OPENSSL_ALGORITHM_DEFINES
  68 #endif
  69
  70 #include <openssl/ossl_typ.h>
  71
  72 #include <openssl/symhacks.h>
  73
  74 #ifndef OPENSSL_NO_BIO
  75 #include <openssl/bio.h>
  76 #endif
  77
  78 /*
  79 #define EVP_RC2_KEY_SIZE                16
  80 #define EVP_RC4_KEY_SIZE                16
  81 #define EVP_BLOWFISH_KEY_SIZE           16
  82 #define EVP_CAST5_KEY_SIZE              16
  83 #define EVP_RC5_32_12_16_KEY_SIZE       16
  84 */
  85 #define EVP_MAX_MD_SIZE                 64      /* longest known is SHA512 */
  86 #define EVP_MAX_KEY_LENGTH              32
  87 #define EVP_MAX_IV_LENGTH               16
  88 #define EVP_MAX_BLOCK_LENGTH            32
  89
  90 #define PKCS5_SALT_LEN                  8
  91 /* Default PKCS#5 iteration count */
  92 #define PKCS5_DEFAULT_ITER              2048
  93
  94 #include <openssl/objects.h>
  95
  96 #define EVP_PK_RSA      0x0001
  97 #define EVP_PK_DSA      0x0002
  98 #define EVP_PK_DH       0x0004
  99 #define EVP_PK_EC       0x0008
 100 #define EVP_PKT_SIGN    0x0010
 101 #define EVP_PKT_ENC     0x0020
 102 #define EVP_PKT_EXCH    0x0040
 103 #define EVP_PKS_RSA     0x0100
 104 #define EVP_PKS_DSA     0x0200
 105 #define EVP_PKS_EC      0x0400
 106 #define EVP_PKT_EXP     0x1000 /* <= 512 bit key */
 107
 108 #define EVP_PKEY_NONE   NID_undef
 109 #define EVP_PKEY_RSA    NID_rsaEncryption
 110 #define EVP_PKEY_RSA2   NID_rsa
 111 #define EVP_PKEY_DSA    NID_dsa
 112 #define EVP_PKEY_DSA1   NID_dsa_2
 113 #define EVP_PKEY_DSA2   NID_dsaWithSHA
 114 #define EVP_PKEY_DSA3   NID_dsaWithSHA1
 115 #define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
 116 #define EVP_PKEY_DH     NID_dhKeyAgreement
 117 #define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
 118
 119 #ifdef  __cplusplus
 120 extern "C" {
 121 #endif
 122
 123 /* Type needs to be a bit field
 124  * Sub-type needs to be for variations on the method, as in, can it do
 125  * arbitrary encryption.... */
 126 struct evp_pkey_st
 127         {
 128         int type;
 129         int save_type;
 130         int references;
 131         union   {
 132                 char *ptr;
 133 #ifndef OPENSSL_NO_RSA
 134                 struct rsa_st *rsa;     /* RSA */
 135 #endif
 136 #ifndef OPENSSL_NO_DSA
 137                 struct dsa_st *dsa;     /* DSA */
 138 #endif
 139 #ifndef OPENSSL_NO_DH
 140                 struct dh_st *dh;       /* DH */
 141 #endif
 142 #ifndef OPENSSL_NO_EC
 143                 struct ec_key_st *ec;   /* ECC */
 144 #endif
 145                 } pkey;
 146         int save_parameters;
 147         STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
 148         } /* EVP_PKEY */;
 149
 150 #define EVP_PKEY_MO_SIGN        0x0001
 151 #define EVP_PKEY_MO_VERIFY      0x0002
 152 #define EVP_PKEY_MO_ENCRYPT     0x0004
 153 #define EVP_PKEY_MO_DECRYPT     0x0008
 154
 155 #if 0
 156 /* This structure is required to tie the message digest and signing together.
 157  * The lookup can be done by md/pkey_method, oid, oid/pkey_method, or
 158  * oid, md and pkey.
 159  * This is required because for various smart-card perform the digest and
 160  * signing/verification on-board.  To handle this case, the specific
 161  * EVP_MD and EVP_PKEY_METHODs need to be closely associated.
 162  * When a PKEY is created, it will have a EVP_PKEY_METHOD associated with it.
 163  * This can either be software or a token to provide the required low level
 164  * routines.
 165  */
 166 typedef struct evp_pkey_md_st
 167         {
 168         int oid;
 169         EVP_MD *md;
 170         EVP_PKEY_METHOD *pkey;
 171         } EVP_PKEY_MD;
 172
 173 #define EVP_rsa_md2() \
 174                 EVP_PKEY_MD_add(NID_md2WithRSAEncryption,\
 175                         EVP_rsa_pkcs1(),EVP_md2())
 176 #define EVP_rsa_md5() \
 177                 EVP_PKEY_MD_add(NID_md5WithRSAEncryption,\
 178                         EVP_rsa_pkcs1(),EVP_md5())
 179 #define EVP_rsa_sha0() \
 180                 EVP_PKEY_MD_add(NID_shaWithRSAEncryption,\
 181                         EVP_rsa_pkcs1(),EVP_sha())
 182 #define EVP_rsa_sha1() \
 183                 EVP_PKEY_MD_add(NID_sha1WithRSAEncryption,\
 184                         EVP_rsa_pkcs1(),EVP_sha1())
 185 #define EVP_rsa_ripemd160() \
 186                 EVP_PKEY_MD_add(NID_ripemd160WithRSA,\
 187                         EVP_rsa_pkcs1(),EVP_ripemd160())
 188 #define EVP_rsa_mdc2() \
 189                 EVP_PKEY_MD_add(NID_mdc2WithRSA,\
 190                         EVP_rsa_octet_string(),EVP_mdc2())
 191 #define EVP_dsa_sha() \
 192                 EVP_PKEY_MD_add(NID_dsaWithSHA,\
 193                         EVP_dsa(),EVP_sha())
 194 #define EVP_dsa_sha1() \
 195                 EVP_PKEY_MD_add(NID_dsaWithSHA1,\
 196                         EVP_dsa(),EVP_sha1())
 197
 198 typedef struct evp_pkey_method_st
 199         {
 200         char *name;
 201         int flags;
 202         int type;               /* RSA, DSA, an SSLeay specific constant */
 203         int oid;                /* For the pub-key type */
 204         int encrypt_oid;        /* pub/priv key encryption */
 205
 206         int (*sign)();
 207         int (*verify)();
 208         struct  {
 209                 int (*set)();   /* get and/or set the underlying type */
 210                 int (*get)();
 211                 int (*encrypt)();
 212                 int (*decrypt)();
 213                 int (*i2d)();
 214                 int (*d2i)();
 215                 int (*dup)();
 216                 } pub,priv;
 217         int (*set_asn1_parameters)();
 218         int (*get_asn1_parameters)();
 219         } EVP_PKEY_METHOD;
 220 #endif
 221
 222 #ifndef EVP_MD
 223 struct env_md_st
 224         {
 225         int type;
 226         int pkey_type;
 227         int md_size;
 228         unsigned long flags;
 229         int (*init)(EVP_MD_CTX *ctx);
 230         int (*update)(EVP_MD_CTX *ctx,const void *data,size_t count);
 231         int (*final)(EVP_MD_CTX *ctx,unsigned char *md);
 232         int (*copy)(EVP_MD_CTX *to,const EVP_MD_CTX *from);
 233         int (*cleanup)(EVP_MD_CTX *ctx);
 234
 235         /* FIXME: prototype these some day */
 236         int (*sign)(int type, const unsigned char *m, unsigned int m_length,
 237                     unsigned char *sigret, unsigned int *siglen, void *key);
 238         int (*verify)(int type, const unsigned char *m, unsigned int m_length,
 239                       const unsigned char *sigbuf, unsigned int siglen,
 240                       void *key);
 241         int required_pkey_type[5]; /*EVP_PKEY_xxx */
 242         int block_size;
 243         int ctx_size; /* how big does the ctx->md_data need to be */
 244         } /* EVP_MD */;
 245
 246 typedef int evp_sign_method(int type,const unsigned char *m,
 247                             unsigned int m_length,unsigned char *sigret,
 248                             unsigned int *siglen, void *key);
 249 typedef int evp_verify_method(int type,const unsigned char *m,
 250                             unsigned int m_length,const unsigned char *sigbuf,
 251                             unsigned int siglen, void *key);
 252
 253 #define EVP_MD_FLAG_ONESHOT     0x0001 /* digest can only handle a single
 254                                         * block */
 255
 256 #define EVP_PKEY_NULL_method    NULL,NULL,{0,0,0,0}
 257
 258 #ifndef OPENSSL_NO_DSA
 259 #define EVP_PKEY_DSA_method     (evp_sign_method *)DSA_sign, \
 260                                 (evp_verify_method *)DSA_verify, \
 261                                 {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
 262                                         EVP_PKEY_DSA4,0}
 263 #else
 264 #define EVP_PKEY_DSA_method     EVP_PKEY_NULL_method
 265 #endif
 266
 267 #ifndef OPENSSL_NO_ECDSA
 268 #define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
 269                                 (evp_verify_method *)ECDSA_verify, \
 270                                  {EVP_PKEY_EC,0,0,0}
 271 #else
 272 #define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
 273 #endif
 274
 275 #ifndef OPENSSL_NO_RSA
 276 #define EVP_PKEY_RSA_method     (evp_sign_method *)RSA_sign, \
 277                                 (evp_verify_method *)RSA_verify, \
 278                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
 279 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
 280                                 (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
 281                                 (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
 282                                 {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
 283 #else
 284 #define EVP_PKEY_RSA_method     EVP_PKEY_NULL_method
 285 #define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
 286 #endif
 287
 288 #endif /* !EVP_MD */
 289
 290 struct env_md_ctx_st
 291         {
 292         const EVP_MD *digest;
 293         ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
 294         unsigned long flags;
 295         void *md_data;
 296         } /* EVP_MD_CTX */;
 297
 298 /* values for EVP_MD_CTX flags */
 299
 300 #define EVP_MD_CTX_FLAG_ONESHOT         0x0001 /* digest update will be called
 301                                                 * once only */
 302 #define EVP_MD_CTX_FLAG_CLEANED         0x0002 /* context has already been
 303                                                 * cleaned */
 304 #define EVP_MD_CTX_FLAG_REUSE           0x0004 /* Don't free up ctx->md_data
 305                                                 * in EVP_MD_CTX_cleanup */
 306 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008  /* Allow use of non FIPS digest
 307                                                  * in FIPS mode */
 308
 309 struct evp_cipher_st
 310         {
 311         int nid;
 312         int block_size;
 313         int key_len;            /* Default value for variable length ciphers */
 314         int iv_len;
 315         unsigned long flags;    /* Various flags */
 316         int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 317                     const unsigned char *iv, int enc);  /* init key */
 318         int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
 319                          const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
 320         int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
 321         int ctx_size;           /* how big ctx->cipher_data needs to be */
 322         int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
 323         int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
 324         int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
 325         void *app_data;         /* Application data */
 326         } /* EVP_CIPHER */;
 327
 328 /* Values for cipher flags */
 329
 330 /* Modes for ciphers */
 331
 332 #define         EVP_CIPH_STREAM_CIPHER          0x0
 333 #define         EVP_CIPH_ECB_MODE               0x1
 334 #define         EVP_CIPH_CBC_MODE               0x2
 335 #define         EVP_CIPH_CFB_MODE               0x3
 336 #define         EVP_CIPH_OFB_MODE               0x4
 337 #define         EVP_CIPH_MODE                   0x7
 338 /* Set if variable length cipher */
 339 #define         EVP_CIPH_VARIABLE_LENGTH        0x8
 340 /* Set if the iv handling should be done by the cipher itself */
 341 #define         EVP_CIPH_CUSTOM_IV              0x10
 342 /* Set if the cipher's init() function should be called if key is NULL */
 343 #define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
 344 /* Call ctrl() to init cipher parameters */
 345 #define         EVP_CIPH_CTRL_INIT              0x40
 346 /* Don't use standard key length function */
 347 #define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
 348 /* Don't use standard block padding */
 349 #define         EVP_CIPH_NO_PADDING             0x100
 350 /* cipher handles random key generation */
 351 #define         EVP_CIPH_RAND_KEY               0x200
 352
 353 /* ctrl() values */
 354
 355 #define         EVP_CTRL_INIT                   0x0
 356 #define         EVP_CTRL_SET_KEY_LENGTH         0x1
 357 #define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
 358 #define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
 359 #define         EVP_CTRL_GET_RC5_ROUNDS         0x4
 360 #define         EVP_CTRL_SET_RC5_ROUNDS         0x5
 361 #define         EVP_CTRL_RAND_KEY               0x6
 362
 363 typedef struct evp_cipher_info_st
 364         {
 365         const EVP_CIPHER *cipher;
 366         unsigned char iv[EVP_MAX_IV_LENGTH];
 367         } EVP_CIPHER_INFO;
 368
 369 struct evp_cipher_ctx_st
 370         {
 371         const EVP_CIPHER *cipher;
 372         ENGINE *engine; /* functional reference if 'cipher' is ENGINE-provided */
 373         int encrypt;            /* encrypt or decrypt */
 374         int buf_len;            /* number we have left */
 375
 376         unsigned char  oiv[EVP_MAX_IV_LENGTH];  /* original iv */
 377         unsigned char  iv[EVP_MAX_IV_LENGTH];   /* working iv */
 378         unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
 379         int num;                                /* used by cfb/ofb mode */
 380
 381         void *app_data;         /* application stuff */
 382         int key_len;            /* May change for variable length cipher */
 383         unsigned long flags;    /* Various flags */
 384         void *cipher_data; /* per EVP data */
 385         int final_used;
 386         int block_mask;
 387         unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
 388         } /* EVP_CIPHER_CTX */;
 389
 390 typedef struct evp_Encode_Ctx_st
 391         {
 392         int num;        /* number saved in a partial encode/decode */
 393         int length;     /* The length is either the output line length
 394                          * (in input bytes) or the shortest input line
 395                          * length that is ok.  Once decoding begins,
 396                          * the length is adjusted up each time a longer
 397                          * line is decoded */
 398         unsigned char enc_data[80];     /* data to encode */
 399         int line_num;   /* number read on current line */
 400         int expect_nl;
 401         } EVP_ENCODE_CTX;
 402
 403 /* Password based encryption function */
 404 typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 405                 ASN1_TYPE *param, const EVP_CIPHER *cipher,
 406                 const EVP_MD *md, int en_de);
 407
 408 #ifndef OPENSSL_NO_RSA
 409 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
 410                                         (char *)(rsa))
 411 #endif
 412
 413 #ifndef OPENSSL_NO_DSA
 414 #define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
 415                                         (char *)(dsa))
 416 #endif
 417
 418 #ifndef OPENSSL_NO_DH
 419 #define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
 420                                         (char *)(dh))
 421 #endif
 422
 423 #ifndef OPENSSL_NO_EC
 424 #define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
 425                                         (char *)(eckey))
 426 #endif
 427
 428 /* Add some extra combinations */
 429 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
 430 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
 431 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
 432 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
 433
 434 int EVP_MD_type(const EVP_MD *md);
 435 #define EVP_MD_nid(e)                   EVP_MD_type(e)
 436 #define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
 437 int EVP_MD_pkey_type(const EVP_MD *md);
 438 int EVP_MD_size(const EVP_MD *md);
 439 int EVP_MD_block_size(const EVP_MD *md);
 440
 441 const EVP_MD * EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
 442 #define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
 443 #define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
 444 #define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
 445
 446 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
 447 #define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
 448 int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
 449 int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
 450 int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
 451 unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
 452 #define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
 453
 454 const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
 455 int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
 456 int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
 457 int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
 458 int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
 459 void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
 460 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
 461 #define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
 462 unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
 463 #define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
 464
 465 #define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
 466 #define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
 467
 468 #define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
 469 #define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
 470 #define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
 471 #define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
 472 #define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
 473 #define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
 474 #define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
 475 #define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
 476
 477 #ifdef CONST_STRICT
 478 void BIO_set_md(BIO *,const EVP_MD *md);
 479 #else
 480 # define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
 481 #endif
 482 #define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
 483 #define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
 484 #define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
 485 #define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
 486 #define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
 487
 488 int EVP_Cipher(EVP_CIPHER_CTX *c,
 489                 unsigned char *out,
 490                 const unsigned char *in,
 491                 unsigned int inl);
 492
 493 #define EVP_add_cipher_alias(n,alias) \
 494         OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
 495 #define EVP_add_digest_alias(n,alias) \
 496         OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
 497 #define EVP_delete_cipher_alias(alias) \
 498         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
 499 #define EVP_delete_digest_alias(alias) \
 500         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
 501
 502 void    EVP_MD_CTX_init(EVP_MD_CTX *ctx);
 503 int     EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
 504 EVP_MD_CTX *EVP_MD_CTX_create(void);
 505 void    EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
 506 int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out,const EVP_MD_CTX *in);
 507 void    EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
 508 void    EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
 509 int     EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx,int flags);
 510 int     EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
 511 int     EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
 512                          size_t cnt);
 513 int     EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
 514 int     EVP_Digest(const void *data, size_t count,
 515                 unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
 516
 517 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);
 518 int     EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
 519 int     EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
 520
 521 int     EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
 522 void    EVP_set_pw_prompt(const char *prompt);
 523 char *  EVP_get_pw_prompt(void);
 524
 525 int     EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
 526                 const unsigned char *salt, const unsigned char *data,
 527                 int datal, int count, unsigned char *key,unsigned char *iv);
 528
 529 int     EVP_EncryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 530                 const unsigned char *key, const unsigned char *iv);
 531 int     EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 532                 const unsigned char *key, const unsigned char *iv);
 533 int     EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 534                 int *outl, const unsigned char *in, int inl);
 535 int     EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 536 int     EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 537
 538 int     EVP_DecryptInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 539                 const unsigned char *key, const unsigned char *iv);
 540 int     EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 541                 const unsigned char *key, const unsigned char *iv);
 542 int     EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 543                 int *outl, const unsigned char *in, int inl);
 544 int     EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 545 int     EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 546
 547 int     EVP_CipherInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher,
 548                        const unsigned char *key,const unsigned char *iv,
 549                        int enc);
 550 int     EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
 551                        const unsigned char *key,const unsigned char *iv,
 552                        int enc);
 553 int     EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
 554                 int *outl, const unsigned char *in, int inl);
 555 int     EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 556 int     EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 557
 558 int     EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
 559                 EVP_PKEY *pkey);
 560
 561 int     EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
 562                 unsigned int siglen,EVP_PKEY *pkey);
 563
 564 int     EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
 565                 const unsigned char *ek, int ekl, const unsigned char *iv,
 566                 EVP_PKEY *priv);
 567 int     EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 568
 569 int     EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
 570                  unsigned char **ek, int *ekl, unsigned char *iv,
 571                 EVP_PKEY **pubk, int npubk);
 572 int     EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
 573
 574 void    EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
 575 void    EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
 576                 const unsigned char *in,int inl);
 577 void    EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
 578 int     EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
 579
 580 void    EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
 581 int     EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
 582                 const unsigned char *in, int inl);
 583 int     EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
 584                 char *out, int *outl);
 585 int     EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
 586
 587 void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
 588 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
 589 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
 590 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
 591 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
 592 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
 593 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
 594 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
 595
 596 #ifndef OPENSSL_NO_BIO
 597 BIO_METHOD *BIO_f_md(void);
 598 BIO_METHOD *BIO_f_base64(void);
 599 BIO_METHOD *BIO_f_cipher(void);
 600 BIO_METHOD *BIO_f_reliable(void);
 601 void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
 602                 const unsigned char *i, int enc);
 603 #endif
 604
 605 const EVP_MD *EVP_md_null(void);
 606 #ifndef OPENSSL_NO_MD2
 607 const EVP_MD *EVP_md2(void);
 608 #endif
 609 #ifndef OPENSSL_NO_MD4
 610 const EVP_MD *EVP_md4(void);
 611 #endif
 612 #ifndef OPENSSL_NO_MD5
 613 const EVP_MD *EVP_md5(void);
 614 #endif
 615 #ifndef OPENSSL_NO_SHA
 616 const EVP_MD *EVP_sha(void);
 617 const EVP_MD *EVP_sha1(void);
 618 const EVP_MD *EVP_dss(void);
 619 const EVP_MD *EVP_dss1(void);
 620 const EVP_MD *EVP_ecdsa(void);
 621 #endif
 622 #ifndef OPENSSL_NO_SHA256
 623 const EVP_MD *EVP_sha224(void);
 624 const EVP_MD *EVP_sha256(void);
 625 #endif
 626 #ifndef OPENSSL_NO_SHA512
 627 const EVP_MD *EVP_sha384(void);
 628 const EVP_MD *EVP_sha512(void);
 629 #endif
 630 #ifndef OPENSSL_NO_MDC2
 631 const EVP_MD *EVP_mdc2(void);
 632 #endif
 633 #ifndef OPENSSL_NO_RIPEMD
 634 const EVP_MD *EVP_ripemd160(void);
 635 #endif
 636 const EVP_CIPHER *EVP_enc_null(void);           /* does nothing :-) */
 637 #ifndef OPENSSL_NO_DES
 638 const EVP_CIPHER *EVP_des_ecb(void);
 639 const EVP_CIPHER *EVP_des_ede(void);
 640 const EVP_CIPHER *EVP_des_ede3(void);
 641 const EVP_CIPHER *EVP_des_ede_ecb(void);
 642 const EVP_CIPHER *EVP_des_ede3_ecb(void);
 643 const EVP_CIPHER *EVP_des_cfb64(void);
 644 # define EVP_des_cfb EVP_des_cfb64
 645 const EVP_CIPHER *EVP_des_cfb1(void);
 646 const EVP_CIPHER *EVP_des_cfb8(void);
 647 const EVP_CIPHER *EVP_des_ede_cfb64(void);
 648 # define EVP_des_ede_cfb EVP_des_ede_cfb64
 649 #if 0
 650 const EVP_CIPHER *EVP_des_ede_cfb1(void);
 651 const EVP_CIPHER *EVP_des_ede_cfb8(void);
 652 #endif
 653 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
 654 # define EVP_des_ede3_cfb EVP_des_ede3_cfb64
 655 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
 656 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
 657 const EVP_CIPHER *EVP_des_ofb(void);
 658 const EVP_CIPHER *EVP_des_ede_ofb(void);
 659 const EVP_CIPHER *EVP_des_ede3_ofb(void);
 660 const EVP_CIPHER *EVP_des_cbc(void);
 661 const EVP_CIPHER *EVP_des_ede_cbc(void);
 662 const EVP_CIPHER *EVP_des_ede3_cbc(void);
 663 const EVP_CIPHER *EVP_desx_cbc(void);
 664 /* This should now be supported through the dev_crypto ENGINE. But also, why are
 665  * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
 666 #if 0
 667 # ifdef OPENSSL_OPENBSD_DEV_CRYPTO
 668 const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
 669 const EVP_CIPHER *EVP_dev_crypto_rc4(void);
 670 const EVP_MD *EVP_dev_crypto_md5(void);
 671 # endif
 672 #endif
 673 #endif
 674 #ifndef OPENSSL_NO_RC4
 675 const EVP_CIPHER *EVP_rc4(void);
 676 const EVP_CIPHER *EVP_rc4_40(void);
 677 #endif
 678 #ifndef OPENSSL_NO_IDEA
 679 const EVP_CIPHER *EVP_idea_ecb(void);
 680 const EVP_CIPHER *EVP_idea_cfb64(void);
 681 # define EVP_idea_cfb EVP_idea_cfb64
 682 const EVP_CIPHER *EVP_idea_ofb(void);
 683 const EVP_CIPHER *EVP_idea_cbc(void);
 684 #endif
 685 #ifndef OPENSSL_NO_RC2
 686 const EVP_CIPHER *EVP_rc2_ecb(void);
 687 const EVP_CIPHER *EVP_rc2_cbc(void);
 688 const EVP_CIPHER *EVP_rc2_40_cbc(void);
 689 const EVP_CIPHER *EVP_rc2_64_cbc(void);
 690 const EVP_CIPHER *EVP_rc2_cfb64(void);
 691 # define EVP_rc2_cfb EVP_rc2_cfb64
 692 const EVP_CIPHER *EVP_rc2_ofb(void);
 693 #endif
 694 #ifndef OPENSSL_NO_BF
 695 const EVP_CIPHER *EVP_bf_ecb(void);
 696 const EVP_CIPHER *EVP_bf_cbc(void);
 697 const EVP_CIPHER *EVP_bf_cfb64(void);
 698 # define EVP_bf_cfb EVP_bf_cfb64
 699 const EVP_CIPHER *EVP_bf_ofb(void);
 700 #endif
 701 #ifndef OPENSSL_NO_CAST
 702 const EVP_CIPHER *EVP_cast5_ecb(void);
 703 const EVP_CIPHER *EVP_cast5_cbc(void);
 704 const EVP_CIPHER *EVP_cast5_cfb64(void);
 705 # define EVP_cast5_cfb EVP_cast5_cfb64
 706 const EVP_CIPHER *EVP_cast5_ofb(void);
 707 #endif
 708 #ifndef OPENSSL_NO_RC5
 709 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
 710 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
 711 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
 712 # define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
 713 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
 714 #endif
 715 #ifndef OPENSSL_NO_AES
 716 const EVP_CIPHER *EVP_aes_128_ecb(void);
 717 const EVP_CIPHER *EVP_aes_128_cbc(void);
 718 const EVP_CIPHER *EVP_aes_128_cfb1(void);
 719 const EVP_CIPHER *EVP_aes_128_cfb8(void);
 720 const EVP_CIPHER *EVP_aes_128_cfb128(void);
 721 # define EVP_aes_128_cfb EVP_aes_128_cfb128
 722 const EVP_CIPHER *EVP_aes_128_ofb(void);
 723 #if 0
 724 const EVP_CIPHER *EVP_aes_128_ctr(void);
 725 #endif
 726 const EVP_CIPHER *EVP_aes_192_ecb(void);
 727 const EVP_CIPHER *EVP_aes_192_cbc(void);
 728 const EVP_CIPHER *EVP_aes_192_cfb1(void);
 729 const EVP_CIPHER *EVP_aes_192_cfb8(void);
 730 const EVP_CIPHER *EVP_aes_192_cfb128(void);
 731 # define EVP_aes_192_cfb EVP_aes_192_cfb128
 732 const EVP_CIPHER *EVP_aes_192_ofb(void);
 733 #if 0
 734 const EVP_CIPHER *EVP_aes_192_ctr(void);
 735 #endif
 736 const EVP_CIPHER *EVP_aes_256_ecb(void);
 737 const EVP_CIPHER *EVP_aes_256_cbc(void);
 738 const EVP_CIPHER *EVP_aes_256_cfb1(void);
 739 const EVP_CIPHER *EVP_aes_256_cfb8(void);
 740 const EVP_CIPHER *EVP_aes_256_cfb128(void);
 741 # define EVP_aes_256_cfb EVP_aes_256_cfb128
 742 const EVP_CIPHER *EVP_aes_256_ofb(void);
 743 #if 0
 744 const EVP_CIPHER *EVP_aes_256_ctr(void);
 745 #endif
 746 #endif
 747 #ifndef OPENSSL_NO_CAMELLIA
 748 const EVP_CIPHER *EVP_camellia_128_ecb(void);
 749 const EVP_CIPHER *EVP_camellia_128_cbc(void);
 750 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
 751 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
 752 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
 753 # define EVP_camellia_128_cfb EVP_camellia_128_cfb128
 754 const EVP_CIPHER *EVP_camellia_128_ofb(void);
 755 const EVP_CIPHER *EVP_camellia_192_ecb(void);
 756 const EVP_CIPHER *EVP_camellia_192_cbc(void);
 757 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
 758 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
 759 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
 760 # define EVP_camellia_192_cfb EVP_camellia_192_cfb128
 761 const EVP_CIPHER *EVP_camellia_192_ofb(void);
 762 const EVP_CIPHER *EVP_camellia_256_ecb(void);
 763 const EVP_CIPHER *EVP_camellia_256_cbc(void);
 764 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
 765 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
 766 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
 767 # define EVP_camellia_256_cfb EVP_camellia_256_cfb128
 768 const EVP_CIPHER *EVP_camellia_256_ofb(void);
 769 #endif
 770
 771 #ifndef OPENSSL_NO_SEED
 772 const EVP_CIPHER *EVP_seed_ecb(void);
 773 const EVP_CIPHER *EVP_seed_cbc(void);
 774 const EVP_CIPHER *EVP_seed_cfb128(void);
 775 # define EVP_seed_cfb EVP_seed_cfb128
 776 const EVP_CIPHER *EVP_seed_ofb(void);
 777 #endif
 778
 779 void OPENSSL_add_all_algorithms_noconf(void);
 780 void OPENSSL_add_all_algorithms_conf(void);
 781
 782 #ifdef OPENSSL_LOAD_CONF
 783 #define OpenSSL_add_all_algorithms() \
 784                 OPENSSL_add_all_algorithms_conf()
 785 #else
 786 #define OpenSSL_add_all_algorithms() \
 787                 OPENSSL_add_all_algorithms_noconf()
 788 #endif
 789
 790 void OpenSSL_add_all_ciphers(void);
 791 void OpenSSL_add_all_digests(void);
 792 #define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
 793 #define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
 794 #define SSLeay_add_all_digests() OpenSSL_add_all_digests()
 795
 796 int EVP_add_cipher(const EVP_CIPHER *cipher);
 797 int EVP_add_digest(const EVP_MD *digest);
 798
 799 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
 800 const EVP_MD *EVP_get_digestbyname(const char *name);
 801 void EVP_cleanup(void);
 802
 803 int             EVP_PKEY_decrypt(unsigned char *dec_key,
 804                         const unsigned char *enc_key,int enc_key_len,
 805                         EVP_PKEY *private_key);
 806 int             EVP_PKEY_encrypt(unsigned char *enc_key,
 807                         const unsigned char *key,int key_len,
 808                         EVP_PKEY *pub_key);
 809 int             EVP_PKEY_type(int type);
 810 int             EVP_PKEY_bits(EVP_PKEY *pkey);
 811 int             EVP_PKEY_size(EVP_PKEY *pkey);
 812 int             EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
 813
 814 #ifndef OPENSSL_NO_RSA
 815 struct rsa_st;
 816 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
 817 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
 818 #endif
 819 #ifndef OPENSSL_NO_DSA
 820 struct dsa_st;
 821 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
 822 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
 823 #endif
 824 #ifndef OPENSSL_NO_DH
 825 struct dh_st;
 826 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
 827 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
 828 #endif
 829 #ifndef OPENSSL_NO_EC
 830 struct ec_key_st;
 831 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
 832 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
 833 #endif
 834
 835 EVP_PKEY *      EVP_PKEY_new(void);
 836 void            EVP_PKEY_free(EVP_PKEY *pkey);
 837
 838 EVP_PKEY *      d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
 839                         long length);
 840 int             i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
 841
 842 EVP_PKEY *      d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
 843                         long length);
 844 EVP_PKEY *      d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
 845                         long length);
 846 int             i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
 847
 848 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
 849 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
 850 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
 851 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
 852
 853 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
 854
 855 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
 856
 857 /* calls methods */
 858 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 859 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 860
 861 /* These are used by EVP_CIPHER methods */
 862 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
 863 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
 864
 865 /* PKCS5 password based encryption */
 866 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 867                          ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
 868                          int en_de);
 869 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
 870                            const unsigned char *salt, int saltlen, int iter,
 871                            int keylen, unsigned char *out);
 872 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 873                          ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
 874                          int en_de);
 875
 876 void PKCS5_PBE_add(void);
 877
 878 int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
 879              ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
 880 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
 881                     EVP_PBE_KEYGEN *keygen);
 882 void EVP_PBE_cleanup(void);
 883
 884 /* BEGIN ERROR CODES */
 885 /* The following lines are auto generated by the script mkerr.pl. Any changes
 886  * made after this point may be overwritten when the script is next run.
 887  */
 888 void ERR_load_EVP_strings(void);
 889
 890 /* Error codes for the EVP functions. */
 891
 892 /* Function codes. */
 893 #define EVP_F_AES_INIT_KEY                               133
 894 #define EVP_F_CAMELLIA_INIT_KEY                          159
 895 #define EVP_F_D2I_PKEY                                   100
 896 #define EVP_F_DSAPKEY2PKCS8                              134
 897 #define EVP_F_DSA_PKEY2PKCS8                             135
 898 #define EVP_F_ECDSA_PKEY2PKCS8                           129
 899 #define EVP_F_ECKEY_PKEY2PKCS8                           132
 900 #define EVP_F_EVP_CIPHERINIT_EX                          123
 901 #define EVP_F_EVP_CIPHER_CTX_CTRL                        124
 902 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
 903 #define EVP_F_EVP_DECRYPTFINAL_EX                        101
 904 #define EVP_F_EVP_DIGESTINIT_EX                          128
 905 #define EVP_F_EVP_ENCRYPTFINAL_EX                        127
 906 #define EVP_F_EVP_MD_CTX_COPY_EX                         110
 907 #define EVP_F_EVP_OPENINIT                               102
 908 #define EVP_F_EVP_PBE_ALG_ADD                            115
 909 #define EVP_F_EVP_PBE_CIPHERINIT                         116
 910 #define EVP_F_EVP_PKCS82PKEY                             111
 911 #define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
 912 #define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
 913 #define EVP_F_EVP_PKEY_DECRYPT                           104
 914 #define EVP_F_EVP_PKEY_ENCRYPT                           105
 915 #define EVP_F_EVP_PKEY_GET1_DH                           119
 916 #define EVP_F_EVP_PKEY_GET1_DSA                          120
 917 #define EVP_F_EVP_PKEY_GET1_ECDSA                        130
 918 #define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
 919 #define EVP_F_EVP_PKEY_GET1_RSA                          121
 920 #define EVP_F_EVP_PKEY_NEW                               106
 921 #define EVP_F_EVP_RIJNDAEL                               126
 922 #define EVP_F_EVP_SIGNFINAL                              107
 923 #define EVP_F_EVP_VERIFYFINAL                            108
 924 #define EVP_F_PKCS5_PBE_KEYIVGEN                         117
 925 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
 926 #define EVP_F_PKCS8_SET_BROKEN                           112
 927 #define EVP_F_RC2_MAGIC_TO_METH                          109
 928 #define EVP_F_RC5_CTRL                                   125
 929
 930 /* Reason codes. */
 931 #define EVP_R_AES_KEY_SETUP_FAILED                       143
 932 #define EVP_R_ASN1_LIB                                   140
 933 #define EVP_R_BAD_BLOCK_LENGTH                           136
 934 #define EVP_R_BAD_DECRYPT                                100
 935 #define EVP_R_BAD_KEY_LENGTH                             137
 936 #define EVP_R_BN_DECODE_ERROR                            112
 937 #define EVP_R_BN_PUBKEY_ERROR                            113
 938 #define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
 939 #define EVP_R_CIPHER_PARAMETER_ERROR                     122
 940 #define EVP_R_CTRL_NOT_IMPLEMENTED                       132
 941 #define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
 942 #define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
 943 #define EVP_R_DECODE_ERROR                               114
 944 #define EVP_R_DIFFERENT_KEY_TYPES                        101
 945 #define EVP_R_ENCODE_ERROR                               115
 946 #define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
 947 #define EVP_R_EXPECTING_AN_RSA_KEY                       127
 948 #define EVP_R_EXPECTING_A_DH_KEY                         128
 949 #define EVP_R_EXPECTING_A_DSA_KEY                        129
 950 #define EVP_R_EXPECTING_A_ECDSA_KEY                      141
 951 #define EVP_R_EXPECTING_A_EC_KEY                         142
 952 #define EVP_R_INITIALIZATION_ERROR                       134
 953 #define EVP_R_INPUT_NOT_INITIALIZED                      111
 954 #define EVP_R_INVALID_KEY_LENGTH                         130
 955 #define EVP_R_IV_TOO_LARGE                               102
 956 #define EVP_R_KEYGEN_FAILURE                             120
 957 #define EVP_R_MISSING_PARAMETERS                         103
 958 #define EVP_R_NO_CIPHER_SET                              131
 959 #define EVP_R_NO_DIGEST_SET                              139
 960 #define EVP_R_NO_DSA_PARAMETERS                          116
 961 #define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
 962 #define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
 963 #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
 964 #define EVP_R_PUBLIC_KEY_NOT_RSA                         106
 965 #define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
 966 #define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
 967 #define EVP_R_UNSUPPORTED_CIPHER                         107
 968 #define EVP_R_UNSUPPORTED_KEYLENGTH                      123
 969 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
 970 #define EVP_R_UNSUPPORTED_KEY_SIZE                       108
 971 #define EVP_R_UNSUPPORTED_PRF                            125
 972 #define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
 973 #define EVP_R_UNSUPPORTED_SALT_TYPE                      126
 974 #define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
 975 #define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
 976 #define EVP_R_SEED_KEY_SETUP_FAILED                      162
 977
 978 #ifdef  __cplusplus
 979 }
 980 #endif
 981 #endif